| abstract |
A lithium secondary cell which has a case being variable in its shape and, housed therein in a sealed state, cell elements including a positive electrode, a negative electrode and an electrolyte, characterized in that it contains therein a compound represented by the general formula (1): A1-X-A2 ----- (1) Wherein X is an element belonging to Group 6 of the periodic table, A1 and A2 each represent an aromatic group, and A1 and A2 may be the same or different and may be bonded to each other to form a ring. |